Quick question on the install of my Alpine CDA-9807. I had a high end shop in Philly install my head unit, and about a week later the #12 fuse on my car (controls central locking vacuum pump) keeps blowing. What could the store have done to mess my car up? Could they have tapped into one of the vacuum pump's wires for something? One more question, I found a green and a red wire in my engine bay that were cut near the fuse box from a previous stereo install. Could that be for the factory alarm connection to the radio (which is now disabled) or not?

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1985 190E 2.3-16 Euro